我们指出了垃圾数据会对我们的计算机系统的性能和运行成本造成很大的影响。
We show the impact of waste data on the performance and operational costs of our computing systems.
计算机科学中，基准测试已经用来比较计算机系统性能、检索算法信息、数据库和其他一些技术。
Benchmarks have been used in computer science to compare the performance of computer systems, information retrieval algorithms, databases, and many other technologies.
另一方面，我们面对的计算机系统在其性能上远远不能满足对大量数据集进行处理的要求。
On the other hand, the computer in use does not meet the demand of the processing of large database.
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